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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/r3/win/utf8-win.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/r3/win/utf8-win.cpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/win/utf8-win.cpp b/src/VBox/Runtime/r3/win/utf8-win.cpp new file mode 100644 index 00000000..097c20f2 --- /dev/null +++ b/src/VBox/Runtime/r3/win/utf8-win.cpp @@ -0,0 +1,172 @@ +/* $Id: utf8-win.cpp $ */ +/** @file + * IPRT - UTF8 helpers. + */ + +/* + * Copyright (C) 2006-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_UTF8 +#include <iprt/win/windows.h> + +#include <iprt/string.h> +#include <iprt/alloc.h> +#include <iprt/assert.h> +#include <iprt/err.h> +#include <iprt/utf16.h> + + +RTR3DECL(int) RTStrUtf8ToCurrentCPTag(char **ppszString, const char *pszString, const char *pszTag) +{ + Assert(ppszString); + Assert(pszString); + + /* + * Check for zero length input string. + */ + if (!*pszString) + { + *ppszString = (char *)RTMemTmpAllocZTag(sizeof(char), pszTag); + if (*ppszString) + return VINF_SUCCESS; + return VERR_NO_TMP_MEMORY; + } + + *ppszString = NULL; + + /* + * Convert to wide char first. + */ + PRTUTF16 pwszString = NULL; + int rc = RTStrToUtf16(pszString, &pwszString); + if (RT_FAILURE(rc)) + return rc; + + /* + * First calc result string length. + */ + int cbResult = WideCharToMultiByte(CP_ACP, 0, pwszString, -1, NULL, 0, NULL, NULL); + if (cbResult > 0) + { + /* + * Alloc space for result buffer. + */ + LPSTR lpString = (LPSTR)RTMemTmpAllocTag(cbResult, pszTag); + if (lpString) + { + /* + * Do the translation. + */ + if (WideCharToMultiByte(CP_ACP, 0, pwszString, -1, lpString, cbResult, NULL, NULL) > 0) + { + /* ok */ + *ppszString = lpString; + RTMemTmpFree(pwszString); + return VINF_SUCCESS; + } + + /* translation error */ + int iLastErr = GetLastError(); + AssertMsgFailed(("Unicode to ACP translation failed. lasterr=%d\n", iLastErr)); + rc = RTErrConvertFromWin32(iLastErr); + } + else + rc = VERR_NO_TMP_MEMORY; + RTMemTmpFree(lpString); + } + else + { + /* translation error */ + int iLastErr = GetLastError(); + AssertMsgFailed(("Unicode to ACP translation failed lasterr=%d\n", iLastErr)); + rc = RTErrConvertFromWin32(iLastErr); + } + RTMemTmpFree(pwszString); + return rc; +} + + +RTR3DECL(int) RTStrCurrentCPToUtf8Tag(char **ppszString, const char *pszString, const char *pszTag) +{ + Assert(ppszString); + Assert(pszString); + *ppszString = NULL; + + /** @todo is there a quicker way? Currently: ACP -> UTF-16 -> UTF-8 */ + + size_t cch = strlen(pszString); + if (cch <= 0) + { + /* zero length string passed. */ + *ppszString = (char *)RTMemTmpAllocZTag(sizeof(char), pszTag); + if (*ppszString) + return VINF_SUCCESS; + return VERR_NO_TMP_MEMORY; + } + + /* + * First calc result string length. + */ + int rc; + int cwc = MultiByteToWideChar(CP_ACP, 0, pszString, -1, NULL, 0); + if (cwc > 0) + { + /* + * Alloc space for result buffer. + */ + PRTUTF16 pwszString = (PRTUTF16)RTMemTmpAlloc(cwc * sizeof(RTUTF16)); + if (pwszString) + { + /* + * Do the translation. + */ + if (MultiByteToWideChar(CP_ACP, 0, pszString, -1, pwszString, cwc) > 0) + { + /* + * Now we got UTF-16, convert it to UTF-8 + */ + rc = RTUtf16ToUtf8(pwszString, ppszString); + RTMemTmpFree(pwszString); + return rc; + } + RTMemTmpFree(pwszString); + /* translation error */ + int iLastErr = GetLastError(); + AssertMsgFailed(("ACP to Unicode translation failed. lasterr=%d\n", iLastErr)); + rc = RTErrConvertFromWin32(iLastErr); + } + else + rc = VERR_NO_TMP_MEMORY; + } + else + { + /* translation error */ + int iLastErr = GetLastError(); + AssertMsgFailed(("Unicode to ACP translation failed lasterr=%d\n", iLastErr)); + rc = RTErrConvertFromWin32(iLastErr); + } + return rc; +} + |